As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AIRCRAFT NOT GROUNDED) FA'S REPORT MUSTY ODOR AT ROWS 18-23 IN CRUISE AND ON DESCENT. ACCOMPLISHED TASK CARD 21-000-002. DURING 21-000-002 TASK CARD FOUND OIL SEEPING FROM APU OIL COOLER TRANSFER TUBES FWD CONNECTIONS. REMOVED AND REPLACED PACKINGS FOR APU OIL COOLER TRANSFER TUBES FWD CONNECTION IAW AMM 49-91-44-000-802-A AND 49-91-44-400-802-A. OPS CHECK AND LEAK CHECK GOOD. COMPLETED TASK CARD 21-000-003.